Carbon Dioxide

Carbon dioxide is a:

• compound

• element

• mixture

• molecule

Tags

NGSS.MS-PS1-1

Which are properties of carbon dioxide?

• Carbon dioxide is lighter than air

• Carbon dioxide is slightly soluble in water

• Carbon dioxide supports photosynthesis

• Carbon dioxide does not support combustion

Tags

NGSS.MS-LS1-6

Which substance is used to prove that an unknown gas is carbon dioxide?

• a glowing splint

• hydrogen gas

• plain drinking water

• lime water

Which is not a property of carbon dioxide?

• It is a colorless gas

• It supports combustion

• It is denser than air

• It is an odorless gas

Match the following descriptions of the Carbon Cycle with their correct spot in the diagram:

a

b

c

d

e

Animal Respiration

photosynthesis

Decomposition

Carbon is compressed into fossil fuels

Fossil fuels are burned

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Fill in the arrows to the Carbon Cycle, showing how carbon moves from one thing to another.

a

b

c

d

e

Burns

Photosynthesis

Food

Fossilization

Respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these actions REMOVES carbon from the atmosphere?

• Water

• Respiration

• Photosynthesis

• Combustion

Tags

NGSS.MS-LS1-6

Label the following Carbon cycle.

c

d

e

f

b

a

fossil fuels

combustion

animals respiring

Decay

sunlight

photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Label the steps of the carbon cycle in the correct location.

a

b

c

d

e

f

Fossilization

Respiration

Light Energy

Photosynthesis

Decomposition

Combustion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Click on the main process that removes CO2 from the atmosphere through a biotic factor.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3